The pile of books behind the dignified writer gave the statue a most undignified nickname.

Ancient ruins hidden underneath a modern luxury hotel.

A monumental fountain in Rome features a large statue of Moses that has been criticized for centuries.

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

The middle finger of modernity.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

A very classy 1920s-era bar right in Grand Central Station.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

An extensive collection of fine art devoted to man's best friend.

The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Commemorating the spot where the famous scientist fed his pigeons.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

Finally, you don't have to be a pious Swedish seaman to relax like one.

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

A famous songsmith's custom piano, dubbed "High Society," is hidden just out of sight in one of New York's finest hotels.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Though the case is scorched and the buttons half-melted, this hardy handheld gaming device can still run a game of Tetris.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.